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Process Equipment and Plant Design

Process Equipment and Plant Design
The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is

0.75
0.5
0.25
1.25

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Process Equipment and Plant Design
The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure.

>5
3 to 4
4 to 5
1.5 to 2

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Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

Negative
No
None of these
Positive

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Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

88-105
52-68
17-34
43929

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Process Equipment and Plant Design
An underdesigned steam trap will

Back up condensate and cause water hammer in steam line
None of these
Destroy itself of acceleration wear due to rapid recycling
Waste steam

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Process Equipment and Plant Design
Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as

D = 1.5 t
D = 1.6 √t
D = 1.1 t
D = 3√t

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